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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Developer Fundamentals | 15% | - Apply security best practices in development - Work with localization, multi-currency, and global features - Design and maintain scalable, reusable code |
| Topic 2: Testing, Debugging, and Deployment | 20% | - Advanced testing strategies and test frameworks - Deployment strategies, CI/CD, and change management - Debugging and error handling across layers |
| Topic 3: User Interface Development | 20% | - Optimize UI performance and usability - Implement advanced Visualforce functionality - Build complex Lightning Web Components and Aura Components |
| Topic 4: Performance and Data Management | 18% | - Governor limits optimization and best practices - Optimize queries and handle large data volumes - Data modeling and complex data operations |
| Topic 5: Logic, Process Automation, and Integration | 27% | - Asynchronous Apex: future, queueable, batch, scheduled - Complex business logic and automation design - Advanced Apex programming and transaction management - REST/SOAP API, Platform Events, and external integrations |
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NEW QUESTION # 140
A company needs to automatically delete sensitive information after seven years.
This could delete almost a million records every day.
How can this be achieved?
Answer: B
Explanation:
Batch Apex is designed to handle large data operations by breaking the transaction into smaller batches. Scheduling a batch process to run daily enables the system to manage the deletion of large numbers of records efficiently, without hitting governor limits. It's the best practice for performing mass deletions on a regular schedule.
Using Batch Apex
NEW QUESTION # 141
Which two best practices should the developer implement to optimize this code? Choose 2 answers
Answer: B,D
Explanation:
To optimize the code in question, it's important to follow best practices that reduce the number of SOQL queries and DML statements within loops, as these can quickly consume governor limits and lead to inefficiencies. Option C is correct because using a collection to hold records and performing a single DML operation outside of loops reduces the number of DML operations, which is a best practice for bulkifying code in Salesforce. Option D is also correct because querying records outside of a loop prevents hitting SOQL governor limits and makes the code more efficient. Options A and B are not correct in the context provided, as there isn't enough information to determine if changing the trigger context is necessary, and removing the DML statement altogether may not be feasible if the logic requires data to be persisted.
Reference
Apex Best Practices: Apex Developer Guide Best Practices
NEW QUESTION # 142
Given the following code:
Assuming there were 10 Contacts and five Accounts created today, what is the expected result?
Answer: C
Explanation:
The loop contains a SOQL query inside, causing it to run multiple times. This will throw a QueryException because the Account query returns more than one row.
NEW QUESTION # 143
A developer has a Visualforce page that automatically assigns ewnership of an Account to a queue upon save. The page appears to correctly assign ownership, but an assertion validating the correct ownership fails.
What can cause this problem?
Answer: C
Explanation:
If the test class does not retrieve the updated value from the database, it will not see any changes made by the page logic. This can cause assertions that check for those changes to fail. The test should query for the most recent value from the database after the operation that is supposed to update the value.
NEW QUESTION # 144
Universal Charities (UC) uses Salesforce to collect electronic donations in the form of credit card deductions from individuals and corporations.
When a customer service agent enters the credit card information, it must be sent to 8 3rd-party payment processor for the donation to be processed, UC uses one payment processor for individuals and a different one for corporations.
What should a developer use to store the payment processor settings for the different payment processors, so that their system administrator can modify the settings once they are deployed, if needed?
Answer: C
Explanation:
Custom metadata types are ideal for storing payment processor settings that need to be changed by an administrator post-deployment. They can be deployed with managed packages and are upgradeable. Unlike Custom Objects, Custom Metadata Types also support a deployment with active data and can have their records retrieved via SOQL in Apex.
NEW QUESTION # 145
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